Pentyloxy
戊氧基
🗣️ 情景例句
A rolling stone gathers no moss.
滚石不生苔，转业不聚财。
Most things have two handles.
大多数事物总有两种解释。
A 55-storey building went up in 1913, and in 1931 the Empire State Building was completed, then the tallest building in the world.
1913年一座55层高的大楼拔地而起。1931年帝国大厦竣工，这在当时是世界上最高的大厦。